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8401109 = 37474831
BaseRepresentation
bin100000000011…
…000011010101
3120210211011012
4200003003111
54122313414
6500022005
7131260013
oct40030325
916724135
108401109
114818972
122991905
131981b92
1411898b3
15b0e33e
hex8030d5

8401109 has 8 divisors (see below), whose sum is σ = 8813568. Its totient is φ = 7998480.

The previous prime is 8401087. The next prime is 8401117. The reversal of 8401109 is 9011048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8401109 - 28 = 8400853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8401199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677 + ... + 4154.

It is an arithmetic number, because the mean of its divisors is an integer number (1101696).

Almost surely, 28401109 is an apocalyptic number.

It is an amenable number.

8401109 is a deficient number, since it is larger than the sum of its proper divisors (412459).

8401109 is a wasteful number, since it uses less digits than its factorization.

8401109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 8401109 is about 2898.4666635999. The cubic root of 8401109 is about 203.2882168706.

The spelling of 8401109 in words is "eight million, four hundred one thousand, one hundred nine".

Divisors: 1 37 47 1739 4831 178747 227057 8401109